Dr. Nirupam Karmakar Assistant Professor
School of Earth, Ocean and Climate Sciences

Research Interests

Indian monsoon variability; Tropical climate; Climate modeling; Large-scale circulation; Intraseasosonal oscillations; Extreme events; Climate change impacts

Contact Details

  • SEOCS 120
  • nirupam@iitbbs.ac.in

Other Profile Link(s)


 Degree Discipline Year School
  PhD Atmospheric and Oceanic Sciences 2017 Indian Institute of Science Bangalore
  MSc Mathematics 2010 Indian Institute of Technology Kanpur
  BSc Mathematics 2008 Jadavpur University




CL5L201 Air-Sea Interaction (Spring 2023)
CL6L202 Planetary and Marine Boundary Layer (Spring 2023)


Recent Publications (International Journals)

1Mandal, R., Joseph, S., Sahai, A. K., Dey, A., Phani, R., Pattanaik, D. R., Kaur, M., and Karmakar, N. (2023) “Diagnostics and real-time extended range prediction of cold waves over India”, Climate Dynamics, doi:10.1007/s00382-023-06666-1
2Karmakar, N., Joseph, S. and Sahai, A. K., Kaur, M., Phani, R., Mandal, R. and Dey, A. (2023) “Northward propagation of convection over the Indian region in multi-physics multi-model ensemble”, Quarterly Journal of Royal Meteorological Society, 155(750), 231–246. doi:10.1002/qj.4404.
3Karmakar, N., Joseph, S. and Sahai, A. K. (2022) “Northward propagation of convection over Arabian Sea and Bay of Bengal: A perspective from vorticity equation”, Climate Dynamics, doi:10.1007/s00382- 022-06248-7.
4Uehling, J., Misra, V., Bhardwaj, A., and Karmakar, N. (2021) “Characterizing the Local Variations of the Northern Australian Rainy Season”, Monthly Weather Review, 149(12), 3995–4004. doi:10.1175/MWR- D-21-0093.1
5Karmakar, N., Boos, W. R. and Misra, V. (2021) “Influence of intraseasonal variability on the development of monsoon depressions”, Geophysical Research Letters, 48, e2020GL090425. doi:10.1029/2020GL090425
6Karmakar, N., Misra, V. (2020) “The fidelity of a regional coupled model in capturing the relationship between intraseasonal variability and the onset/demise of the Indian summer monsoon”, Climate Dynamics, 54, 4693–4710. https://doi.org/10.1007/s00382-020-05252-z
7Karmakar, N., Misra, V. (2020) “Differences in northward propagation of convection over the Arabian Sea and Bay of Bengal during boreal summer”, Journal of Geophysical Research-Atmospheres, 125, e2019JD031648. doi:10.1029/2019JD031648
8Karmakar, N., Chakraborty, A. and Nanjundiah, R. S. (2020) “Influence of global sea surface temperature on ultra-low frequency variability in the Indian summer monsoon rainfall”, Quarterly Journal of the Royal Meteorological Society, 146, 904–921. doi:10.1002/qj.3715
9Karmakar, N., Misra, V. (2019) “The relation of intraseasonal variations with local onset and demise of the Indian summer monsoon”, Journal of Geophysical Research-Atmospheres, 124(5), 2483-2506. doi:10.1029/2018JD029642.
10Agrawal, S., Chakraborty, A., Karmakar, N., Moulds, S., Mijic, A. and Buytaert, W. (2019) “Effects of winter and summer-time irrigation over Gangetic Plain on the mean and intra-seasonal variability of Indian summer monsoon”, Climate Dynamics, 53, 3147–3166. doi:10.1007/s00382-019-04691-7.
11Karmakar, N., Krishnamurti, T. N. (2019) “Characteristics of Northward Propagating Intraseasonal Oscillations in the Indian Summer Monsoon”, Climate Dynamics, 52(3-4), 1903-1916. doi:10.1007/s00382-018-4268-2.
12Karmakar, N., Chakraborty, A. and Nanjundiah, R. S. (2017) “Increased sporadic extremes decrease the intraseasonal variability in the Indian summer monsoon rainfall”, Scientific Reports, 7, 7824. doi:10.1038/s41598-017-07529-6.
13Karmakar, N., Chakraborty, A. and Nanjundiah, R. S. (2017) “Space-Time Evolution of the Low- and High-Frequency Intraseasonal Modes of the Indian Summer Monsoon”, Monthly Weather Review, 145, 413–435. doi:10.1175/MWR-D-16-0075.1.
14Karmakar, N., Chakraborty, A. and Nanjundiah, R. S. (2015) “Decreasing Intensity of Monsoon Low-Frequency Intraseasonal Variability over India” Environmental Research Letters, 10, 054018. doi:10.1088/1748-9326/10/5/054018.

Academic Honors & Awards

  • Indian National Science Academy (INSA) Medal for Young Scientists, 2022.
  • Associate, Indian Academy of Sciences, Bengaluru.
  • Roddam Family Medal for best PhD thesis from Indian Institute of Science, Bangalore.
  • Best Student Posters Award in the 29th Conference on Climate Variability and Change in American Meteorological Society 97th Annual Meeting, Seattle, USA, 22–26 January 2017.
  • Jeremy Grantham Fellowship from Divecha Centre for Climate Change, Indian Institute of Science, Bangalore.
  • Merit-cum-Means Scholarship from Indian Institute of Technology, Kanpur.

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